WO2000043053A1 - Pompe a sang utilisant un ecoulement croise - Google Patents
Pompe a sang utilisant un ecoulement croise Download PDFInfo
- Publication number
- WO2000043053A1 WO2000043053A1 PCT/US1999/026838 US9926838W WO0043053A1 WO 2000043053 A1 WO2000043053 A1 WO 2000043053A1 US 9926838 W US9926838 W US 9926838W WO 0043053 A1 WO0043053 A1 WO 0043053A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blood
- pump
- flow
- cross
- patient
- Prior art date
Links
- 239000008280 blood Substances 0.000 title claims abstract description 118
- 210000004369 blood Anatomy 0.000 title claims abstract description 118
- 210000000709 aorta Anatomy 0.000 claims abstract description 15
- 210000005240 left ventricle Anatomy 0.000 claims abstract description 14
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 210000001765 aortic valve Anatomy 0.000 claims abstract description 8
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 13
- 230000017531 blood circulation Effects 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 5
- 210000001367 artery Anatomy 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 208000007536 Thrombosis Diseases 0.000 claims description 3
- 230000000747 cardiac effect Effects 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 241000555745 Sciuridae Species 0.000 claims description 2
- 230000002861 ventricular Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 4
- 210000001105 femoral artery Anatomy 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 206010018910 Haemolysis Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008588 hemolysis Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 206010007625 cardiogenic shock Diseases 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/13—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/17—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps
- A61M60/174—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps discharging the blood to the ventricle or arterial system via a cannula internal to the ventricle or arterial system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/178—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular assist devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
- A61M60/237—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/405—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/408—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
- A61M60/411—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor
- A61M60/416—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor transmitted directly by the motor rotor drive shaft
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/804—Impellers
- A61M60/806—Vanes or blades
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/81—Pump housings
- A61M60/812—Vanes or blades, e.g. static flow guides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/857—Implantable blood tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/408—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
- A61M60/411—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor
- A61M60/414—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor transmitted by a rotating cable, e.g. for blood pumps mounted on a catheter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
- Y10S415/90—Rotary blood pump
Definitions
- the present invention concerns a novel blood pump, and more
- a blood pump that may be suitable as a ventricular assist device.
- femoral artery (2) function intra-arterially and be inserted by a cardiologist without
- the intra-aortic balloon pump (IABP) has been used for years and is the industry
- the flow of the IABP is limited to approximately 1.5 liters per minute to 2.0 liters per minute and is dependent upon synchronization with a left ventricle which must
- the Hemopump is an axial flow blood pump which meets the criteria for
- Cable driven axial flow blood pumps have
- the Hemopump and expandable pumps have constrained pump
- an object of the present invention to achieve the benefits of a large inlet area without the necessity for enlarging the inlet diameter or making the blood pump expandable. It is another object of the present invention to provide a blood pump which provides low inlet and outlet losses while maintaining a small diameter and without the need for an expandable mechanism.
- a still further object of the present invention is to provide a blood
- a further object of the invention is to provide a blood pump having a 3 liter per minute or greater flow and having a diameter that is small enough to permit percutaneous insertion of the pump into a patient's blood vessel.
- Another object of the invention is to provide a blood pump that is
- Cross-flow principles have been used in cross-flow air blowers. I have discovered that cross-flow air blower principles can be used effectively for a blood pump head.
- a blood pump which comprises a pump head having a cross-flow configuration.
- a "cross-flow configuration" utilizes a housing in which an inlet is defined on a side
- the flow between the inlet and the outlet is preferably but not necessarily in a direction that is generally perpendicular to the rotational axis of the
- the blood in the illustrative embodiment of the present invention, the blood
- the pump head has an elongated housing portion.
- the housing portion defines a blood
- impeller is located within the housing portion for providing cross-flow of the blood from the inlet port to the outlet port.
- a motor is provided for driving the cross-
- the blood inlet port and the blood outlet port have rectangular configurations.
- the blood inlet port is larger than the blood outlet port and the blood inlet port and blood outlet ports are defined on
- the housing portion is generally cylindrical and the blood inlet port defines an arc between 80° and 180° and the blood outlet port defines an arc less than 80° .
- the impeller has an axial length that is at least 2 times its diameter and the impeller has blades which rotate tangentially
- the impeller comprises a squirrel cage
- the impeller has a plurality of blades having a forward angle from 0° to 80° and a pair of axially spaced shrouds. The axial ends of the blades are attached to the axially spaced shrouds.
- the impeller has coaxial shafts extending
- a wiper comprising either a ridge or a groove on an outside surface of a shroud is provided to aid in moving the blood around a shaft
- shroud is located intermediate of the blades. In a further embodiment, one shroud is located only on one end of the blades.
- the impeller shaft is magnetically coupled to the motor. In another embodiment, the motor is coupled to the impeller shaft via a flexible shaft and the motor is an air motor.
- the blood pump has an outer dimension that is small enough to permit percutaneous insertion of the pump into a patient's blood vessel.
- a collapsible polymeric outflow tube is provided and is coupled to the blood flow outlet of the pump and is adapted for directing the blood from the left ventricle of the patient to the aorta through the aortic valve.
- a method for pumping blood.
- the method comprises the steps of providing a cross-flow pump head having an elongated housing portion defining a blood inlet port on a surface thereof and a blood outlet port on a surface thereof; providing an impeller within
- said housing portion for providing cross-flow of the blood from the inlet port to the outlet port; and driving the cross-flow pump head with a motor to rotate the impeller and accelerate the blood from the inlet port within the housing portion.
- Figure 1 is a diagrammatic view of a blood pump constructed in
- Figure la is a diagrammatic view of a blood pump constructed in accordance with another form of the present invention, with its drive motor located inside the aorta of a patient.
- Figure 2 is a diagrammatic view of a blood pump constructed in
- Figure 3 is a perspective view of the head of a blood pump constructed in accordance with the principles of the present invention.
- Figure 4 is an exploded view of the pump head of Figure 3.
- Figure 5 a is a perspective view of an impeller constructed in
- Figure 5b is a perspective view of an impeller constructed in
- Figure 5c is a perspective view of an impeller constructed in accordance with a further embodiment of the present invention.
- Figure 6 is a perspective view of a pump housing constructed in
- Figure 7 is a cross-sectional view of the housing and one form of
- Figure 8 is a cross-sectional view of the housing and another form
- a blood pump 10 is shown therein within a blood pump 10
- Blood pump 10 comprises a generally
- cylindrical pump head 16 magnetic coupling 18
- motor 20 that is either air
- a drive line 22 that is an air driven line for an air
- Pump head 16 is an electric line for an electrically driven motor.
- head 16 is small enough to be insertable into a patient's artery, with head 16 having a
- the length of the impeller and housing is increased and the need to provide a greater radial dimension is obviated.
- a collapsible polymeric diffuser tube 24 is connected to the outlet 26 of pump head 16 for guiding the blood from the pump.
- the collapsible diffuser tube 24 attaches to the wall of the housing discharge opening 26.
- the diffuser tube 24 is of a sufficient length to transport
- the cross-sectional area of the collapsible diffuser tube 24 increases gradually as illustrated in Figure 2, and can be much larger than the initial diameter of the pump, which may be only 4.0 mm.
- diffuser tube 24 extends into the aorta
- the aortic valve 28 When the heart is pumping, the aortic valve 28 will be closed on the outside of the diffuser tube 24, preventing backward flow.
- the pump head 16 is shown in more detail in Figure 3. Referring
- the pump head comprises an elongated generally cylindrical housing 32 and forms a cross-flow pump.
- pump housing 32 defines an inlet
- the inlet port 28 is substantially larger than the outlet port 30.
- inlet opening 28 is on the opposite surface from outlet port 30, although other configurations may be acceptable.
- an impeller 36 which includes a pair of spaced shrouds 38, 40 and impeller blades 42 which extend axially and are connected at their ends to the ins ides of shrouds 38 and 40.
- Coaxial shafts 44 extend from the ends of shrouds 38 and 40 and a pair of
- composite sliding bearings 46 are provided for radial and axial support of the
- Coaxial shafts 44 may be a single, unitary shaft if desired, extending axially through the center of the impeller.
- a pump cover 48 is provided.
- the impeller blades 42 extend at a forward angle which may range from 0° to 80°.
- FIG. 5a Another view of the impeller 36 is illustrated in Figure 5a. Referring to Figure 5 , it can be seen that a wiper 50 is provided on the impeller
- the wiper may be a single groove or a single ridge on the side of the wiper
- FIG. 5b Another form of the impeller 36 is illustrated in Figure 5b.
- a single shroud 40' is utilized on only one side of the blades 42 and thus the ends 47 of blades 42 are attached to the inside surface of the single shroud 40'.
- portion 42 of blades 42 are equal to the lower portions 42" of blades 42, although
- blades 42 to be unequal in length with respect to shroud 40'.
- Figure 6 is another view of the pump housing 32. This view more
- impeller blades 42a that have a flat shape. It is preferred that there be between two
- impeller blades 42b be any impeller blades and it is also preferred that the impeller blades 42b be any impeller blades.
- the pump head is illustrated. It can be seen that the impeller blades rotate
- diffuser tube 24 is collapsed about the cross-flow pump.
- cross-flow pump with its collapsed diffuser tube are introduced through the femoral artery without using a guiding catheter.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- External Artificial Organs (AREA)
Abstract
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99958937A EP1146920B1 (fr) | 1999-01-19 | 1999-11-10 | Pompe a sang utilisant un ecoulement croise |
AU16205/00A AU760773B2 (en) | 1999-01-19 | 1999-11-10 | Blood pump using cross-flow principles |
DE69931960T DE69931960T2 (de) | 1999-01-19 | 1999-11-10 | Blutpumpe unter anwendung des querströmungsprinzips |
JP2000594506A JP4121709B2 (ja) | 1999-01-19 | 1999-11-10 | クロスフロー原理を使用する血液ポンプ |
CA002359934A CA2359934A1 (fr) | 1999-01-19 | 1999-11-10 | Pompe a sang utilisant un ecoulement croise |
KR1020017009068A KR20010101590A (ko) | 1999-01-19 | 1999-11-10 | 교차 흐름 원리를 사용하는 혈액 펌프 |
IL14424499A IL144244A0 (en) | 1999-01-19 | 1999-11-10 | Blood pump using cross-flow principles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/233,567 US6217541B1 (en) | 1999-01-19 | 1999-01-19 | Blood pump using cross-flow principles |
US09/233,567 | 1999-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000043053A1 true WO2000043053A1 (fr) | 2000-07-27 |
Family
ID=22877767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/026838 WO2000043053A1 (fr) | 1999-01-19 | 1999-11-10 | Pompe a sang utilisant un ecoulement croise |
Country Status (10)
Country | Link |
---|---|
US (1) | US6217541B1 (fr) |
EP (1) | EP1146920B1 (fr) |
JP (1) | JP4121709B2 (fr) |
KR (1) | KR20010101590A (fr) |
AT (1) | ATE329635T1 (fr) |
AU (1) | AU760773B2 (fr) |
CA (1) | CA2359934A1 (fr) |
DE (1) | DE69931960T2 (fr) |
IL (1) | IL144244A0 (fr) |
WO (1) | WO2000043053A1 (fr) |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002043791A1 (fr) * | 2000-12-01 | 2002-06-06 | Impella Cardiosystems Ag | Pompe intravasculaire |
US6984201B2 (en) | 2000-09-23 | 2006-01-10 | Harefield Cardiac Limited | Blood circulation assistance device |
US8992163B2 (en) | 2004-09-17 | 2015-03-31 | Thoratec Corporation | Expandable impeller pump |
US9138518B2 (en) | 2011-01-06 | 2015-09-22 | Thoratec Corporation | Percutaneous heart pump |
WO2015175711A1 (fr) * | 2014-05-13 | 2015-11-19 | Abiomed, Inc. | Composant de boîtier de pompe à sang |
US9358329B2 (en) | 2012-07-03 | 2016-06-07 | Thoratec Corporation | Catheter pump |
US9364593B2 (en) | 2004-09-17 | 2016-06-14 | The Penn State Research Foundation | Heart assist device with expandable impeller pump |
US9404505B2 (en) | 2008-12-05 | 2016-08-02 | Ecp Entwicklungsgesellschaft Mbh | Fluid pump with a rotor |
US9421311B2 (en) | 2012-07-03 | 2016-08-23 | Thoratec Corporation | Motor assembly for catheter pump |
US9446179B2 (en) | 2012-05-14 | 2016-09-20 | Thoratec Corporation | Distal bearing support |
US9545468B2 (en) | 1999-09-03 | 2017-01-17 | Maquet Cardiovascular Llc | Guidable intravascular blood pump and related methods |
US9759237B2 (en) | 2010-05-17 | 2017-09-12 | Ecp Entwicklungsgesellschaft Mbh | Pump arrangement |
US9771801B2 (en) | 2010-07-15 | 2017-09-26 | Ecp Entwicklungsgesellschaft Mbh | Rotor for a pump, produced with a first elastic material |
US9833550B2 (en) | 2003-08-08 | 2017-12-05 | Abiomed Europe Gmbh | Intracardiac pumping device |
US9872947B2 (en) | 2012-05-14 | 2018-01-23 | Tc1 Llc | Sheath system for catheter pump |
US9878079B2 (en) | 2007-10-08 | 2018-01-30 | Ais Gmbh Aachen Innovative Solutions | Catheter device |
US10080871B2 (en) | 2012-12-21 | 2018-09-25 | Ecp Entwicklungsgesellschaft Mbh | Sheath assembly for insertion of a cord-shaped element, particularly a catheter, into the body of a patient |
US10525238B2 (en) | 2011-12-22 | 2020-01-07 | Ecp Entwicklungsgesellschaft Mbh | Sheath device for inserting a catheter |
US10668195B2 (en) | 2018-06-01 | 2020-06-02 | Fbr Medical, Inc. | Catheter pump with fixed-diameter impeller |
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Also Published As
Publication number | Publication date |
---|---|
IL144244A0 (en) | 2002-05-23 |
US6217541B1 (en) | 2001-04-17 |
DE69931960T2 (de) | 2006-11-30 |
JP4121709B2 (ja) | 2008-07-23 |
JP2002535047A (ja) | 2002-10-22 |
AU1620500A (en) | 2000-08-07 |
CA2359934A1 (fr) | 2000-07-27 |
ATE329635T1 (de) | 2006-07-15 |
AU760773B2 (en) | 2003-05-22 |
KR20010101590A (ko) | 2001-11-14 |
DE69931960D1 (de) | 2006-07-27 |
EP1146920B1 (fr) | 2006-06-14 |
EP1146920A1 (fr) | 2001-10-24 |
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